Over 90 participants attended the OpenAIRE National Open Access Workshop that took place in Poland on June 8, 2020. The workshop was devoted to the implementation of open access policies and served as an initial point for further cooperation between open access representatives appointed in institutions that have adopted or are preparing to adopt such policies. The event was organized by the Interdisciplinary Centre for Mathematical and Computational Modelling (ICM UW) which runs the Open Science...